| Patents Granted on 1921-02-22 |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| D57,113 | Feb. 22, 1921 | L. Campbell, Sr. | Wrench | wrenches |
| D57,153 | Feb. 22, 1921 | L.A. Safford | Handle for Wrench or Similar Hand Tools | wrench handle components |
| D57,157 | Feb. 22, 1921 | J. Schwendner | Combination Tool | combination tools |
| CA-208,789 | Feb. 22, 1921 | H. Schaake | Track sheaves | shingle machines |
| 1,369,038 | Feb. 22, 1921 | G.E. Maconnell | Try Square Handle | try squares |
| 1,369,143 | Feb. 22, 1921 | C.G. Tengdin | Spud Wrench | pipe wrenches |
| 1,369,152 | Feb. 22, 1921 | J.J. Witt | Tailstock for lathes | wood lathes |
| 1,369,195 | Feb. 22, 1921 | F. Schimmel | Combined table and writing-desk | |
| 1,369,407 | Feb. 22, 1921 | F. Diehl | Rheostat | |
| 1,369,408 | Feb. 22, 1921 | F. Diehl | Commutator and commutator-bar | motor commutators |
| 1,369,424 | Feb. 22, 1921 | E.S. Gross | Tool Rest or Support | micrometer attachments |
| 1,369,452 | Feb. 22, 1921 | G.C. Marx | Sewing-machine motor | electric motors |
| 1,369,491 | Feb. 22, 1921 | F.W. Straehle | Floating Tool Holder | drilling and boring tool holders |
| 1,369,652 | Feb. 22, 1921 | F.B. Hall | Octagon Line & Surface Level | line levels |
| 1,369,705 | Feb. 22, 1921 | T.C. Jones, R.J. Parsons | Monkey Wrench | quick adjust wrenches |
